The World Association for the Development of Philately (WADP) and the Universal Postal Union (UPU) jointly conceived and developed the WADP Numbering System - WNS, which was launched on 1 January 2002.

GB010.09

Country / Post Great Britain
Date of Issue 13 January 2009
Primary theme Transportation (Road) (Motor vehicles)
Subject British Design Classics - Routemaster Bus
Width 35.0 mm
Height 35.0 mm
Denomination 1st class
Number in set 10 (show set)
Layout/Format sheet of 30 and 60
Perforations 14.5 by 14.5
Stamp issuing authority Royal Mail of Great Britain
Printer Walsall Security Printers